Trying this again since my first link didn’t work, here is the link to the MFG
specs for NON PV , low DC applications:
https://ec.staubli.com/AcroFiles/Technical%20Info/PV_SOL-LVDC_(en).pdf
For safety reasons Stäubli prohibits the use of thermoplastic PVC insulation
cables.
Bryan,
Thank you for the link. I am confused by the "PVC" section you
referenced. Here's the complete text:
For safety reasons Stäubli prohibits the use of PVC cables. Cables made
> from PVC can be connected to MC4-Evo 2 since the insulation material of the
> connector (Polyamide) is suitable
The MC4-Evo 2 isn’t the typical MC4 connector we are used to in the United
States, these are commonly found in Europe, designed to meet European standards.
Standard MC4 on the left, EVO-2 on the right pictured below:
MC4 and MC4-Evo 2 portfolio first with new IEC certification
The MC4
Blake,
In addition to Bryan's notes, here is some unconfusing information directly
from Stäubli's engineering dept:
The answer is categorically no: *you cannot use THHN wires with MC4
> connectors.* There are several reasons for this:
> 1. *Certification*: our MC4 connectors are certified to
Corey,
Thank you! Agreed, the message from Staubli's Eng dept is much less
confusing (with the exception of the statement about THHN tending to be
solid vs stranded).
All -
What are you folks using to transition from PV Wire to THHN/THWN-2 inside a
junction box? We used to use split bolts, whic
Wrenches
Where did the thought come from about THHN and MC4, insulation is much
thicker, releaf is the MC4 matches for USE/PV #10 wire is larger so you
would have a poor or no seal. Also THHN is not weather/sunlight resistant.
I had an inspector in Hawaii insist on MC4's connecting PV wire to THHN
Blake,
Its great to get definitive clarification on this MC4/THHN
issue, we've been using 4-14 Polaris connectors with good results.
Being inside a Nema3 can and having silicone grease in the Polaris makes
for a solid, durable connection. Inspecting some of these that are now
17
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